$a=array("red","green","blue");
array_pop($a);
print_r($a);
/*
Array (
[0] => red
[1] => green
)
*/
<?php
//array_pop — Pop the element off the end of array
$stack = array("orange", "banana", "apple", "raspberry");
$fruit = array_pop($stack);
print_r($stack);
Array
(
[0] => orange
[1] => banana
[2] => apple
)
?>